There is been amistake

There is been amistake He is said to have been there what changes___in your life?A.is there B.are there C.have been there D.have there been There is been a mistake为什么要加a I've never been there.Is it b___?Of c___ . been-there-done-that是什么意思?Sending an unmanned spacecraft to the space station is a been-there-than-that feat. Beijing is our capital.Have you（ ）yet?A.been to there B.been thereC.go to there D.go there been there done that . been there,done have been there 中文翻译 have been there she is been to the space museum .I have been there ,too.（改为同义句）she is been to the space museum .____ ____ ____./____ ____. There is nothing new under the sun.It has all been done before.There is nothing new under the sun.It has all been done before. THERE IS MORE TO SEE THAN CAN EVER BEEN SEEN,MORE TO DO THAN CAN EVER BEEN THERE IS MORE TO SEE THAN CAN EVER BEEN SEEN,MORE TO DO THAN CAN EVER BEEN DONE He is talking so much about America as if he(had been)there.为什么不用has been? there is something that's been on my mind.这里的that's been 是什么语法点? There is a real possibility that these aimals could be frighted,____a sudden loud noise.A.being thereB.should there beC.there wasD.there having been要有理由, There have been many great inventions.One of the first greatest inventions is still very important